Oral appliance



FIG. 1 is a bottom perspective view of an oral appliance according to an exemplary embodiment of the present disclosure;

FIG. 2 is a top perspective view of the oral appliance of FIG. 1;

FIG. 3 is a right side view of the oral appliance of FIG. 1;

FIG. 4 is a left side view of the oral appliance of FIG. 1;

FIG. 5 is a front view of the oral appliance of FIG. 1;

FIG. 6 is a rear view of the oral appliance of FIG. 1;

FIG. 7 is a top view of the oral appliance of FIGS. 1; and,

FIG. 8 is a bottom view of the oral appliance of FIG. 1.

The broken lines in the drawings illustrating environmental structure or boundaries is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for an oral appliance, as shown and described. 